Fix: Remove VersionEye badge (#1140)

README.md

@@ -2,7 +2,6 @@
 
 [![Total Downloads](https://img.shields.io/packagist/dt/monolog/monolog.svg)](https://packagist.org/packages/monolog/monolog)
 [![Latest Stable Version](https://img.shields.io/packagist/v/monolog/monolog.svg)](https://packagist.org/packages/monolog/monolog)
-[![Reference Status](https://www.versioneye.com/php/monolog:monolog/reference_badge.svg)](https://www.versioneye.com/php/monolog:monolog/references)
 
 
 Monolog sends your logs to files, sockets, inboxes, databases and various